Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Revenues	$ 1,547	$ 1,486
Company Sales
Revenues	470	476
Franchise and property revenues
Revenues	714	658
Franchise contributions for advertising and other services
Revenues	363	352
UNITED STATES \| Company Sales
Revenues	359	348
UNITED STATES \| Franchise and property revenues
Revenues	267	256
UNITED STATES \| Property Revenues
Revenues	15	14
UNITED STATES \| Franchise contributions for advertising and other services
Revenues	201	202
CHINA \| Franchise and property revenues
Revenues	77	78
Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	111	128
Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	341	295
Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	14	15
Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	162	150
KFC Global Division [Member]
Revenues	660	625
KFC Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	15	14
KFC Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	45	44
KFC Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	3	4
KFC Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	6	6
KFC Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	61	62
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	111	119
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	260	230
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	14	14
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	145	132
Pizza Hut Global Division [Member]
Revenues	244	251
Pizza Hut Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	5	5
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	64	67
Pizza Hut Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	1	0
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	72	79
Pizza Hut Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	16	16
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	9
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	70	57
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	0	1
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	16	17
Taco Bell Global Division [Member]
Revenues	517	488
Taco Bell Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	214	208
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	157	144
Taco Bell Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	11	10
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	123	117
Taco Bell Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	11	8
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	1	1
Habit Division [Member]
Revenues	126	122
Habit Division [Member] \| UNITED STATES \| Company Sales
Revenues	125	121
Habit Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	1	1
Habit Division [Member] \| UNITED STATES \| Property Revenues
Revenues	0	0
Habit Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	0	0
Habit Division [Member] \| CHINA \| Franchise and property revenues
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	$ 0	$ 0